Python implements a method to obtain the current directory and the upper-level directory

This article mainly introduces the implementation method of obtaining the current directory and upper-level directory in python. Friends who need it can refer to

to obtain the path of the current file:

from os import path  
d = path.dirname(__file__) #返回当前文件所在的目录  
# __file__ 为当前文件, 若果在ide中运行此行会报错,可改为 #d = path.dirname('.')

Get the parent directory of a path:

parent_path = os.path.dirname(d) #获得d所在的目录,即d的父级目录 
parent_path = os.path.dirname(parent_path) ##获得parent_path所在的目录即parent_path的父级目录

Get the canonical absolute path:

abspath = path.abspath(d) #返回d所在目录规范的绝对路径

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